Ice skate blade



J. SAYER ICE SKATE BLADE Oct. 13, 1931.

Filed May 22, 1950 ad n M (1410: map

Patented Oct. 13, 1931 UNITED STATES JOHN SAYER, OF FLAGSTAFF, ARIZONAICE SKATE BLADE Application filed May 22,1930. Serial No. 454,776.

This invention relates to an improved ice skate blade.

One object of the invention is to provide a device of this characterwhich will tend to 5 sharpen itself while in use, thus obviating thenecessity of employing sharpening tools.

Another object of the invention is to provide a skate blade which willbe formed to cut into the ice in such a manner that a ridge of ice willbe defined to coact with the blade for preventing side slipping of saidblade.

A further object of the invention is to provide a skate blade having asoft core and a slot in said core which will permit more rapid selfsharpening of such blade.

Other and incidental objects of the invention not specifically mentionedin, the foregoing will appear during the course of the followingdescription.

In the drawings:

Figure 1 is a side elevation of a skate employing the improved blade,said blade being partly broken away and shown in section,

Figure 2 is an enlarged vertical sectional view on the line 22 of Figure1, and

Figure 3 is an enlarged fragmentary sectional view, showing the bladewith the concave lower edge partially worn away.

Referring now more particularly to the drawings, 1 have shown thepresent improvement in connection with an ice skate which includes aconventional foot plate 1, clamp 2 and strap 3.

Formed integrally with or otherwise secured to the foot plate 1 is apreferably steel blade l which comprises relatively hard outer walls 5and a relatively soft core 6. The blade is also provided with a turnedup toe 7 and a rearwardly extending heel 8. As seen more clearly inFigure 2 of the drawings, the

blade is gradually thickened, or flared, toward its lower edge, and saidlower edge is ground to form a concave face 9 which extends throughoutthe length of the blade. 45 The concave lower face 9 defines sharp edges10 throughout the length of the blade for the l relatively hard walls 5.It is pointed out that the outer walls may be hardened by the casehardening process, or in any other approved manner, and after suchhardening has been effected, all traces of hardness will be ground off,or otherwise removed, from the face 9.

Formed in the core 6 of the blade 4 medially of the relatively hardouter walls is a longitudinally extending rectangular slot 11. This slot11 extends throughout the length A of the blade and is substantiallyequal in depth to the thickness of the core 6, at its lower edge. Themouth of the slot is provided with right angular corners 12.

It will be observed that when the blade is L in use, the edges will outinto the ice and define a ridge which will coact with the surface ofsaid concave lower edge to prevent side slipping of the blade. It willbe further observed that the continuous engagement of the concave lowerface 9 with the ice while the skate is in use will, due to the relativesoftness of the core 6, tend to cause rapid wear upon said core so thatthe concave face will be made increasingly deeper by such con tinuouswear. As shown in Figure 3, this repeated wear will tend to keep thecorners 1O sharp, thus obviating the necessity of employing sharpeningtools for this purpose.

The corners 12 defining the mouth of the slot 11 will be ground down ina relatively short time due to the comparative softness of the metal.Thus it may be seen that the slot tends to aid in constantly deepeningthe concave lower edge.

It should be understood that although I have described the blade asbeing formed integrally with the foot plate 1 of the skate, said blademay be separable from said plate if preferred without departing from thescope of my invention.

Having thus described the invention, I claim:

1. An ice skate blade having a concave lower face and provided withrelatively hard outer walls and a relatively soft quick wearing core exosed at said face, said core being provided with amedial slot openingonto said 5 concave lower face.

2. An ice skate blade having a concave lower face and provided withrelatively hard outer walls and a relatively soft quick wearing corehavin a; medially disposed slot openin onto said ace, said facecooperatin with said hard walls to form sharp cutting edges at the lowerouter corners of the blade.

In testimony whereof I afiix my signature. 1 JOHN 'SAYEB. [1 s.]

